ES8103267A1 - Method and device for improving the efficiency of an internal-combustion engine, in particular a supercharged one. - Google Patents
Method and device for improving the efficiency of an internal-combustion engine, in particular a supercharged one.Info
- Publication number
- ES8103267A1 ES8103267A1 ES488160A ES488160A ES8103267A1 ES 8103267 A1 ES8103267 A1 ES 8103267A1 ES 488160 A ES488160 A ES 488160A ES 488160 A ES488160 A ES 488160A ES 8103267 A1 ES8103267 A1 ES 8103267A1
- Authority
- ES
- Spain
- Prior art keywords
- improving
- efficiency
- combustion engine
- intake valve
- supercharged
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0203—Variable control of intake and exhaust valves
- F02D13/0215—Variable control of intake and exhaust valves changing the valve timing only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/08—Shape of cams
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/08—Modifying distribution valve timing for charging purposes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0242—Variable control of the exhaust valves only
- F02D13/0246—Variable control of the exhaust valves only changing valve lift or valve lift and timing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0261—Controlling the valve overlap
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0269—Controlling the valves to perform a Miller-Atkinson cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0273—Multiple actuations of a valve within an engine cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
- F02B2275/32—Miller cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B3/00—Engines characterised by air compression and subsequent fuel addition
- F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Valve Device For Special Equipments (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Abstract
The invention relates to a method and a device for improving the efficiency of a four-stroke-cycle internal combustion engine. The main purpose of the invention is to obtain an effective compression ratio that is capable of automatic variation without introducing additional elements whatever the load, but only by adapting the engine cycle timing diagram. Said timing diagram includes an overlap stage between the lifts of at least one exhaust valve and at least one intake valve, said intake valve being closed near or before the bottom dead center of the piston, and said exhaust valve being closed beyond the instant of fixed closing of the intake valve.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7902877A FR2448032A1 (en) | 1979-02-05 | 1979-02-05 | PROCESS FOR IMPROVING THE EFFICIENCY OF AN INTERNAL COMBUSTION ENGINE, ESPECIALLY SUPERCHARGED |
Publications (2)
Publication Number | Publication Date |
---|---|
ES488160A0 ES488160A0 (en) | 1981-02-16 |
ES8103267A1 true ES8103267A1 (en) | 1981-02-16 |
Family
ID=9221601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES488160A Expired ES8103267A1 (en) | 1979-02-05 | 1980-01-31 | Method and device for improving the efficiency of an internal-combustion engine, in particular a supercharged one. |
Country Status (18)
Country | Link |
---|---|
US (1) | US4424790A (en) |
EP (1) | EP0015791B1 (en) |
JP (1) | JPS55107029A (en) |
KR (1) | KR840001288B1 (en) |
AU (1) | AU539186B2 (en) |
CS (1) | CS270403B2 (en) |
DD (1) | DD148971A5 (en) |
DE (1) | DE3066223D1 (en) |
DK (1) | DK153235C (en) |
ES (1) | ES8103267A1 (en) |
FI (1) | FI67130C (en) |
FR (1) | FR2448032A1 (en) |
IN (1) | IN153625B (en) |
NO (1) | NO152620C (en) |
PL (1) | PL126997B1 (en) |
SE (2) | SE445058B (en) |
SU (1) | SU1131476A3 (en) |
YU (1) | YU42661B (en) |
Families Citing this family (100)
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FR2512496A1 (en) * | 1981-09-10 | 1983-03-11 | Semt | METHOD FOR THE AMENAGEMENT OF THE OPERATING CONDITIONS OF AN INTERNAL COMBUSTION ENGINE AND A MOTOR THUS DONE |
FR2555662A1 (en) * | 1983-11-25 | 1985-05-31 | Crepelle Sa Moteurs | Method for cooling exhaust valves of reciprocating internal combustion engines, means for the purpose of implementing the method and engines provided with these means |
SE451337B (en) * | 1985-07-18 | 1987-09-28 | Volvo Ab | PROCEDURE FOR CONTROL OF WORK PROCEDURE IN A UNDERTAKING COMBUSTION Piston Engine |
JPS6357806A (en) * | 1986-08-27 | 1988-03-12 | Honda Motor Co Ltd | Valve mechanism for internal combustion engine |
US4852527A (en) * | 1987-01-28 | 1989-08-01 | General Motors Corporation | Low noise valve train |
JPS63306213A (en) * | 1987-05-27 | 1988-12-14 | インガ−ソル・ランド・カンパニ− | Method of improving mixing of air and fuel and valve gear |
DK157145C (en) * | 1987-11-05 | 1990-05-14 | Man B & W Diesel Gmbh | PROCEDURE FOR CONTROLING THE CLUTCH MOVEMENT OF A HYDRAULIC ACTIVATED EXHAUST VALVE IN A MARINE DIESEL ENGINE AND EXHAUST VALVE FOR USE IN EXERCISING THE PROCEDURE |
US4942854A (en) * | 1988-03-03 | 1990-07-24 | Honda Giken Kogyo Kabushiki Kaisha | Valve operating device for use in internal combustion engine |
US5050378A (en) * | 1989-04-14 | 1991-09-24 | Clemmens William B | Exhaust recharging of a four cycle internal combustion engine |
JPH05149202A (en) * | 1991-11-13 | 1993-06-15 | Kanesaka Gijutsu Kenkyusho:Kk | Exhaust purification for otto cycle engine |
US5341771A (en) * | 1991-12-03 | 1994-08-30 | Motive Holdings Limited | Internal combustion engine with variable combustion chambers and increased expansion cycle |
DE4216759C1 (en) * | 1992-05-21 | 1993-02-18 | Mtu Friedrichshafen Gmbh | Reduction of nitrogen oxide(s) in exhaust gases from combustion engine - includes recycling exhaust gas during high load operation |
US5226401A (en) * | 1992-06-01 | 1993-07-13 | Caterpillar Inc. | Method and apparatus for exhaust gas recirculation via reverse flow motoring |
US5251590A (en) * | 1992-06-01 | 1993-10-12 | Caterpillar Inc. | Method and apparatus for starting an engine utilizing unit valve actuation |
US5203830A (en) * | 1992-06-01 | 1993-04-20 | Caterpillar Inc. | Method and apparatus to reduce engine combustion noise utilizing unit valve actuation |
IT1257904B (en) * | 1992-06-19 | 1996-02-16 | Fiat Ricerche | CONTROL DEVICE OF A VALVE OF AN INTERNAL COMBUSTION ENGINE. |
SE501437C2 (en) * | 1993-06-22 | 1995-02-13 | Volvo Ab | Valve mechanism in an internal combustion engine |
FR2712922B1 (en) * | 1993-11-22 | 1996-01-05 | Remi Curtil | Method for improving the operation of a supercharged and air-swept heat engine, and heat engine arranged for implementing the process. |
US6125828A (en) * | 1995-08-08 | 2000-10-03 | Diesel Engine Retarders, Inc. | Internal combustion engine with combined cam and electro-hydraulic engine valve control |
AUPN567195A0 (en) * | 1995-09-27 | 1995-10-19 | Orbital Engine Company (Australia) Proprietary Limited | Valve timing for four stroke internal combustion engines |
US7222614B2 (en) * | 1996-07-17 | 2007-05-29 | Bryant Clyde C | Internal combustion engine and working cycle |
US7281527B1 (en) * | 1996-07-17 | 2007-10-16 | Bryant Clyde C | Internal combustion engine and working cycle |
US6951211B2 (en) * | 1996-07-17 | 2005-10-04 | Bryant Clyde C | Cold air super-charged internal combustion engine, working cycle and method |
US8215292B2 (en) * | 1996-07-17 | 2012-07-10 | Bryant Clyde C | Internal combustion engine and working cycle |
DE19635886A1 (en) * | 1996-09-04 | 1998-03-05 | Meta Motoren Energietech | Method for improving the combustion process of an internal combustion engine and internal combustion engine |
DE19641418A1 (en) * | 1996-10-08 | 1998-04-09 | Bayerische Motoren Werke Ag | Control cam for a valve-controlled internal combustion engine |
JPH10212980A (en) * | 1997-01-31 | 1998-08-11 | Yamaha Motor Co Ltd | Four-cycle engine |
US5809964A (en) | 1997-02-03 | 1998-09-22 | Diesel Engine Retarders, Inc. | Method and apparatus to accomplish exhaust air recirculation during engine braking and/or exhaust gas recirculation during positive power operation of an internal combustion engine |
IT1291490B1 (en) | 1997-02-04 | 1999-01-11 | C R F Societa Consotile Per Az | DIESEL CYCLE MULTI-CYLINDER ENGINE WITH VARIABLE ACTING VALVES |
US6164269A (en) * | 1997-10-31 | 2000-12-26 | Caterpillar Inc. | Exhaust gas recirculation valve assembly having an integrated check valve |
US6116223A (en) * | 1997-12-12 | 2000-09-12 | Caterpillar Inc. | Cam driven exhaust gas recirculation valve assembly |
US6170441B1 (en) | 1998-06-26 | 2001-01-09 | Quantum Energy Technologies | Engine system employing an unsymmetrical cycle |
FR2780446B1 (en) * | 1998-06-29 | 2000-12-29 | Inst Francais Du Petrole | METHOD FOR CONTROLLING THE INTAKE OF A TURBO-COMPRESSOR ENGINE AND ASSOCIATED ENGINE |
FR2803628A1 (en) * | 2000-01-11 | 2001-07-13 | Daniel Drecq | METHOD AND DEVICE FOR DECREASING THE RESPONSE TIME TO ACCELERATION OF SUPERCHARGED THERMAL ENGINES |
US6321731B1 (en) * | 2000-01-19 | 2001-11-27 | Ford Global Technologies, Inc. | Engine control strategy using dual equal cam phasing combined with exhaust gas recirculation |
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ITTO20010660A1 (en) * | 2001-07-06 | 2003-01-06 | Fiat Ricerche | MULTI-CYLINDER DIESEL ENGINE WITH VARIABLE VALVE OPERATION. |
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FR1041230A (en) * | 1951-08-21 | 1953-10-21 | Improvements to reciprocating internal combustion engines supercharged by exhaust gas turbo-compressors | |
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DE2638651A1 (en) * | 1976-08-27 | 1978-03-02 | Franc Lopic | IC engine with additional exhaust valve cam - has exhaust valve re-activated during induction stroke |
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FR2418332A1 (en) * | 1978-02-24 | 1979-09-21 | Semt | PROCESS FOR IMPROVING THE EXTERNAL COOLING OF AN EXHAUST VALVE OF AN INTERNAL COMBUSTION ENGINE, IN PARTICULAR OF A SUPERCHARGED DIESEL ENGINE, AND DEVICE FOR IMPLEMENTING THE SAID PROCEDURE |
-
1979
- 1979-02-05 FR FR7902877A patent/FR2448032A1/en active Granted
-
1980
- 1980-01-21 IN IN39/DEL/80A patent/IN153625B/en unknown
- 1980-01-31 ES ES488160A patent/ES8103267A1/en not_active Expired
- 1980-02-01 SE SE8000846A patent/SE445058B/en not_active IP Right Cessation
- 1980-02-01 SE SE8000846D patent/SE8000846L/en not_active Application Discontinuation
- 1980-02-04 CS CS80757A patent/CS270403B2/en unknown
- 1980-02-04 PL PL1980221806A patent/PL126997B1/en unknown
- 1980-02-04 NO NO800291A patent/NO152620C/en unknown
- 1980-02-04 DD DD80218861A patent/DD148971A5/en unknown
- 1980-02-04 SU SU802877108A patent/SU1131476A3/en active
- 1980-02-04 KR KR1019800000432A patent/KR840001288B1/en active
- 1980-02-05 FI FI800342A patent/FI67130C/en not_active IP Right Cessation
- 1980-02-05 JP JP1295480A patent/JPS55107029A/en active Granted
- 1980-02-05 EP EP80400179A patent/EP0015791B1/en not_active Expired
- 1980-02-05 YU YU306/80A patent/YU42661B/en unknown
- 1980-02-05 DE DE8080400179T patent/DE3066223D1/en not_active Expired
- 1980-02-05 DK DK049080A patent/DK153235C/en not_active IP Right Cessation
- 1980-02-05 AU AU55230/80A patent/AU539186B2/en not_active Ceased
-
1982
- 1982-05-11 US US06/377,142 patent/US4424790A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES488160A0 (en) | 1981-02-16 |
SE445058B (en) | 1986-05-26 |
DK153235C (en) | 1988-11-21 |
AU5523080A (en) | 1980-08-14 |
KR830002140A (en) | 1983-05-23 |
SE8000846L (en) | 1980-08-06 |
EP0015791B1 (en) | 1984-01-25 |
YU30680A (en) | 1985-04-30 |
FI67130C (en) | 1985-01-10 |
AU539186B2 (en) | 1984-09-13 |
NO800291L (en) | 1980-08-06 |
YU42661B (en) | 1988-10-31 |
US4424790A (en) | 1984-01-10 |
KR840001288B1 (en) | 1984-09-07 |
PL126997B1 (en) | 1983-09-30 |
NO152620B (en) | 1985-07-15 |
DE3066223D1 (en) | 1984-03-01 |
PL221806A1 (en) | 1980-10-20 |
DK49080A (en) | 1980-08-06 |
FI800342A (en) | 1980-08-06 |
FR2448032A1 (en) | 1980-08-29 |
DD148971A5 (en) | 1981-06-17 |
FI67130B (en) | 1984-09-28 |
JPS55107029A (en) | 1980-08-16 |
NO152620C (en) | 1985-10-23 |
FR2448032B1 (en) | 1984-08-10 |
CS270403B2 (en) | 1990-06-13 |
IN153625B (en) | 1984-07-28 |
CS75780A2 (en) | 1989-11-14 |
JPS6329093B2 (en) | 1988-06-10 |
DK153235B (en) | 1988-06-27 |
SU1131476A3 (en) | 1984-12-23 |
EP0015791A1 (en) | 1980-09-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 20010217 |